<template>
	
	
	<view class="page">
		
		
		<view @click="$refs.menuBtn.open()" 
		style="z-index:999;font-size:24rpx;padding:15rpx 3px;border-top-right-radius: 10rpx;border-bottom-right-radius: 10rpx;
		position:fixed;top:30%;left:0;width:40rpx;color:#ffffff;background:#ff0000;word-wrap: break-word;overflow-wrap: break-word;">
		分享&nbsp;其它
		</view>
		
		
		<view class='distribution-posters'>
			<swiper :indicator-dots="indicatorDots" :autoplay="autoplay" :circular="circular" :interval="interval"
				:duration="duration" @change="bindchange" previous-margin="40px" next-margin="40px">
				<block v-for="(item,index) in spreadList" :key="index">
					<swiper-item>
						<image :src="item.pic" class="slide-image" :class="swiperIndex == index ? 'active' : 'quiet'"
							mode='aspectFill' />
					</swiper-item>
				</block>
			</swiper>
			<!-- #ifdef APP-PLUS || MP-->
			<view class='keep' :style="{backgroundColor:bgColor}" @click='savePhoto(spreadList[swiperIndex].pic)'>保存海报</view>
			<!-- #endif -->
			<!-- #ifndef MP || APP-PLUS -->
			<div class="preserve acea-row row-center-wrapper">
				<!-- <div class="line"></div> -->
				<div class="tip">长按保存图片</div>
				<!-- <div class="line"></div> -->
			</div>
			<!-- #endif -->
		</view>
		<view class="canvas" v-if="canvasStatus">
			<canvas style="width:750px;height:1466px;" canvas-id="canvasOne"></canvas>
			<canvas canvas-id="qrcode" :style="{width: `${qrcodeSize}px`, height: `${qrcodeSize}px`}" />
		</view>
		
		<menu-btn ref="menuBtn" :url="currentUrl" :title="appName" :img="mainImg" ></menu-btn>
	</view>
</template>

<script>
	// +----------------------------------------------------------------------

	// #ifdef H5 || APP-PLUS
	import uQRCode from '@/js_sdk/Sansnn-uQRCode/uqrcode.js'
	// #endif
	// #ifdef APP-PLUS
	// import {
	// 	HTTP_H5_URL
	// } from '@/config/app.js';
	import indexConfig from '@/config/index.config';
	// #endif


	import {
		mapGetters
	} from "vuex";
	// #ifdef MP
	import {
		base64src
	} from '@/utils/base64src.js'
	// #endif
    const API = require('@/utils/api/common.js').default;
	import {
		imageBase64,
	} from "@/utils/api/public";
  const $ = require('@/utils/api.js');
	export default {
		data() {
			return {
				currentUrl: '',
				appName: this.$mSettingConfig.appName,
				mainImg:'',
				title:'',
				imgUrls: [],
				indicatorDots: false,
				circular: false,
				autoplay: false,
				interval: 3000,
				duration: 500,
				swiperIndex: 0,
				// 1249 1466
				spreadList: [
					// {
					// 	pic:"http://h5.ccchongya.com/banner.png",
					// 	// pic:"https://qiniu.ccchongya.com/chongya%2F1702652962099.png",
					// },
					{
						pic:"http://h5.ccchongya.com/banner2.jpg",
					},
					{
						pic:"http://h5.ccchongya.com/banner1.jpg",
					}


				],
				poster: '',
				qrcodeSize: 1000,
				PromotionCode: '',
				base64List: [],
				canvasStatus: true, //海报绘图标签
				bgColor:'#e93323'
			};
		},
		computed: mapGetters(['isLogin', 'userInfo']),
		watch: {
			isLogin: {
				handler: function(newV, oldV) {
					if (newV) {
						this.userSpreadBannerList();
					}
				},
				deep: true
			}
		},
		onLoad() {
			  this.currentUrl = `${this.$mConfig.hostUrl}/pages/user/spread_code?inviteCode=`+getApp().globalData.inviteCode;

				 console.log(this.isLogin)
				  console.log(this.userInfo)
			// // this.bgColor = setThemeColor();
			if (this.isLogin) {
				this.userSpreadBannerList();
			} else {
				this.$mHelper.backToLogin();
			}
		},
		/**
		 * 用户点击右上角分享
		 */
		// #ifdef MP
		onShareAppMessage: function() {
			return {
				title: this.userInfo.nickname + '-分销海报',
				imageUrl: this.spreadList[0].pic,
				path: `/pages/home/index?id=0&inviteCode=${this.userInfo.inviteCode}` ,
			};
		},
		// #endif
		onReady() {},
		methods: {
			userSpreadBannerList: function() {
				let that = this;
				uni.showLoading({
					title: '获取中',
					mask: true,
				})

				that.getImageBase64(that.spreadList);
				// spreadBanner({
				// 	page: 1,
				// 	limit: 5
				// }).then(res => {
				// 	uni.hideLoading();
				// 	that.$set(that, 'spreadList', res.data);
				// 	that.getImageBase64(res.data);
				// }).catch(err => {
				// 	uni.hideLoading();
				// });
			},

			getImageBase64: function(images) {
				uni.showLoading({
					title: '海报生成中',
					mask: true
				});
				let that = this;
				// #ifdef H5
				let spreadList = []
				// 生成一个Promise对象的数组
				images.forEach(item => {
					const oneApi = imageBase64({
						url: item.pic
					}).then(res => {
						return res.data.code;
					})
					spreadList.push(oneApi)
				})
				Promise.all(spreadList).then(result => {
					that.$set(that, 'base64List', result);
					that.make();
					that.setShareInfoStatus();
				})
				// #endif

				// #ifdef MP || APP-PLUS
				that.base64List = images.map(item => {
					return item.pic
				});
				// #endif

				// #ifdef MP
				that.getQrcode();
				// #endif
				// #ifdef APP-PLUS
				that.make();
				// #endif
			},
			// 小程序二维码
			getQrcode() {
				let that = this;
				let data = {
					scene: 'id=0&inviteCode='+that.userInfo.inviteCode,
					page: 'pages/home/index'
				}
				let arrImagesUrl = "";
				uni.downloadFile({
					url: this.base64List[0],
					success: (res) => {
						arrImagesUrl = res.tempFilePath;
					}
				});
				
				
				    this.$http
					.post(`${API.mpQrcodeApi}`, data)
					.then(res => {
						console.log("rrrrr",res)
								base64src(res.data.code,Date.now(), res => {
									that.PromotionCode = res;
							
									setTimeout(() => {
										that.PosterCanvas(arrImagesUrl, that.PromotionCode, that.userInfo.nickname,that.userInfo.inviteCode, 0);
									}, 1000);
								});
					})
					.catch((err) => {
						console.log("rrrrr2",err)
							uni.hideLoading();
							that.Tips({
								title: err
							});
							that.$set(that, 'canvasStatus', false);
					});
	
			},
			// 生成二维码；
			make() {
				let that = this;
				let href = '';
				// #ifdef H5
				href = window.location.href.split('/pages')[0];
				// #endif
				// #ifdef APP-PLUS
				href = indexConfig.hostUrl;
				let routes = getCurrentPages(); // 获取当前打开过的页面路由数组
				let curRoute = routes[routes.length - 1].route //获取当前页面路由
				let curParam = routes[routes.length - 1].options; //获取路由参数
				// #endif
				uQRCode.make({
					canvasId: 'qrcode',
					text: href + '/pages/home/index?inviteCode=' + that.userInfo.inviteCode,
					size: this.qrcodeSize,
					margin: 10,
					success: res => {
						that.PromotionCode = res;

						setTimeout(() => {
							that.PosterCanvas(this.base64List[0], that.PromotionCode, that.userInfo.nickname,that.userInfo.inviteCode, 0);
						}, 1000);
					},
					complete: (res) => {},
					fail: res => {
						uni.hideLoading();
						that.Tips({
							title: '海报二维码生成失败！'
						});
					}
				})
			},
			PosterCanvas: function(arrImages, code, nickname,inviteCode, index) {
				
				console.log("arrImages",arrImages)
				console.log("code",code)
				console.log("nickname",nickname)
				console.log("inviteCode",inviteCode)
				console.log("index",index)
				
				let context = uni.createCanvasContext('canvasOne')
				context.clearRect(0, 0, 0, 0);
				let that = this;
				uni.getImageInfo({
					src: arrImages,
					success: function(res) {
						if(that.swiperIndex==0){
								context.drawImage(arrImages, 0, 0, 750, 1466);
								context.save();
								context.drawImage(code, 60, 750, 200, 200);
								context.restore();
								context.setFontSize(28);
								// context.fillText(nickname, 270, 950);
								// context.fillText('邀请您加入', 270, 1000);
								context.fillText(inviteCode, 170, 1035);

						}else if(that.swiperIndex==1){
							context.drawImage(arrImages, 0, 0, 750, 1466);
							context.save();
							context.drawImage(code, 550, 1150, 160, 160);
							context.restore();
							context.setFontSize(28);
							// context.fillText(nickname, 270, 950);
							// context.fillText('邀请您加入', 270, 1000);
							context.fillText(inviteCode, 200, 1275);

						}
						setTimeout(() => {
							context.draw(true, function() {
								uni.canvasToTempFilePath({
									destWidth: 750,
									destHeight: 1466,
									canvasId: 'canvasOne',
									fileType: 'jpg',
									success: function(res) {
										// 在H5平台下，tempFilePath 为 base64
										uni.hideLoading();
										that.spreadList[index].pic = res.tempFilePath;
										that.$set(that, 'poster', res.tempFilePath);
										that.$set(that, 'canvasStatus', false);
									}
								})
							})

						}, 100);
					},
					fail: function(err) {
						uni.hideLoading();
						that.Tips({
							title: '无法获取图片信息'
						});
					}
				});
			},
			bindchange(e) {
				let base64List = this.base64List;
				let index = e.detail.current;
				this.swiperIndex = index;
				let arrImagesUrl = "";
				uni.downloadFile({
					url: base64List[index],
					success: (res) => {
						arrImagesUrl = res.tempFilePath;
						setTimeout(() => {
							this.$set(this, 'canvasStatus', true);
							this.PosterCanvas(arrImagesUrl, this.PromotionCode, this.userInfo.nickname,this.userInfo.inviteCode,index);
						}, 300);
					}
				});
			},
			// 点击保存海报
			savePhoto:function(url){
				let that = this;
				uni.saveImageToPhotosAlbum({
					filePath: url,
					success: function(res) {
						that.Tips({
							title: '保存成功',
							icon: 'success'
						});
					},
					fail: function(res) {
						that.Tips({
							title: '保存失败'
						});
					}
				});
			},
			setShareInfoStatus: function() {
				//如果是微信
				if ( navigator.userAgent.toLowerCase().indexOf("micromessenger") !== -1) {
					let configAppMessage = {
						desc: '分销海报',
						title: this.userInfo.nickname + '-分销海报',
						link: '/pages/home/index?inviteCode=' + this.userInfo.inviteCode,
						imgUrl: this.spreadList[0].pic
					};
					this.$wechat.wechatEvevt(["updateAppMessageShareData", "updateTimelineShareData"],
						configAppMessage)
				}
			}
		}
	}
</script>

<style lang="scss" scoped>
	// page {
	// 	background-color: #A2A2A2 !important;
	// 	height: 100vh;
	// 	overflow: auto;
	// }
	.page{
		height: 100vh;
		overflow: auto;
		background-color: #A2A2A2 !important;
	}
	.canvas {
		position: relative;
	}

	.distribution-posters {
		width: 100%;
		height: 100%;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	}

	.distribution-posters swiper {
		width: 100%;
		height: 1200rpx;
		position: relative;
		margin-top: 40rpx;
	}

	.distribution-posters .slide-image {
		width: 100%;
		height: 100%;
		margin: 0 auto;
		border-radius: 15rpx;
	}

	.distribution-posters .slide-image.active {
		transform: none;
		transition: all 0.2s ease-in 0s;
	}

	.distribution-posters .slide-image.quiet {
		transform: scale(0.8333333);
		transition: all 0.2s ease-in 0s;
	}

	.distribution-posters .keep {
		font-size: 30rpx;
		color: #fff;
		width: 600rpx;
		height: 80rpx;
		border-radius: 50rpx;
		text-align: center;
		line-height: 80rpx;
		margin: 38rpx auto;

	}

	.distribution-posters .preserve {
		color: #fff;
		text-align: center;
		margin-top: 38rpx;
	}

	.distribution-posters .preserve .line {
		width: 100rpx;
		height: 1px;
		background-color: #fff;
	}

	.distribution-posters .preserve .tip {
		margin: 0 30rpx;
	}
</style>
